package mtest.Scanner;

import java.util.Scanner;

public class Demo3 {
    public static void main(String[] args) {
        // 创建scanner对象
        Scanner scanner = new Scanner(System.in);
        int i = 0;
        float f = 0.0f;
        System.out.println("请输入整数:");
        if (scanner.hasNextInt()) {
            i = scanner.nextInt();
            System.out.println(i);
        } else {
            System.out.println("输入的不是整数");
        }

        System.out.println("请输入小数");
        if (scanner.hasNextFloat()) {
            f = scanner.nextFloat();
            System.out.println(f);
        } else {
            System.out.println("输入的不是小数");
        }

        scanner.close();
    }
}
